Éomer, Marshal of Rohan + Kari Zev, Skyship Raider + Helm of the Host + Ashnod's Altar

Éomer, Marshal of Rohan
Kari Zev, Skyship Raider
Helm of the Host
Ashnod's Altar

Requires
Éomer, Marshal of Rohan must be on the battlefield. Kari Zev, Skyship Raider must be on the battlefield. Helm of the Host must be on the battlefield. Ashnod's Altar must be on the battlefield. Helm of the Host attached to Éomer. Kari Zev does not have summoning sickness and cannot be blocked and killed by an opponent.
Steps
  1. At the beginning of your combat phase, Helm of the Host triggers, creating a nonlegendary token copy of Éomer with haste.
  2. Declare Kari Zev as an attacker.
  3. Kari Zev triggers, creating a legendary 2/1 Ragavan creature token that is tapped and attacking.
  4. Holding priority, activate Ashnod's Altar by sacrificing Ragavan, adding .
  5. When Ragavan dies, each Éomer that hasn't triggered this turn triggers, untapping all creatures you control and causing you to get at least one additional combat phase after this one.
  6. Repeat each combat phase.
Results
Infinite combat phases. Infinite creature tokens with haste. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Éomer, Marshal of Rohan
15.72% of 159 decks 25 decks
The Master, Multiplied
0.11% of 3768 decks 4 decks
Hazezon, Shaper of Sand
0.01% of 7646 decks 1 decks
Karlach, Fury of Avernus
0.80% of 125 decks 1 decks
Ragavan, Nimble Pilferer
0.03% of 2946 decks 1 decks
Gimli of the Glittering Caves
0.37% of 272 decks 1 decks
Varchild, Betrayer of Kjeldor
0.18% of 564 decks 1 decks
New Cards
Norin, Swift Survivalist
100% of 4 decks +99% synergy
High Synergy Cards
Arena of Glory
83% of 6 decks +74% synergy
Blade of Selves
74% of 34 decks +72% synergy
Delina, Wild Mage
74% of 34 decks +71% synergy
Goblin Bombardment
76% of 34 decks +70% synergy
Rising of the Day
74% of 34 decks +68% synergy
Captain Lannery Storm
71% of 34 decks +68% synergy
Moraug, Fury of Akoum
68% of 34 decks +65% synergy
Glóin, Dwarf Emissary
66% of 32 decks +64% synergy
Flare of Duplication
67% of 6 decks +63% synergy
Laelia, the Blade Reforged
65% of 34 decks +62% synergy
Top Cards
Chaos Warp
71% of 34 decks +38% synergy
Blasphemous Act
71% of 34 decks +37% synergy
Feldon of the Third Path
65% of 34 decks +61% synergy
Gimli of the Glittering Caves
63% of 30 decks +62% synergy
Tuktuk the Explorer
62% of 34 decks +62% synergy
Gut, True Soul Zealot
62% of 34 decks +61% synergy
Karlach, Fury of Avernus
62% of 34 decks +59% synergy
Krenko, Tin Street Kingpin
62% of 34 decks +57% synergy
Anger
62% of 34 decks +56% synergy
Swiftfoot Boots
62% of 34 decks +34% synergy
Creatures
Dalek Squadron
100% of 3 decks +99% synergy
Godo, Bandit Warlord
59% of 34 decks +57% synergy
Urabrask the Hidden
59% of 34 decks +56% synergy
Atsushi, the Blazing Sky
59% of 34 decks +56% synergy
Etali, Primal Storm
59% of 34 decks +49% synergy
Squee, the Immortal
56% of 34 decks +54% synergy
Goro-Goro, Disciple of Ryusei
53% of 34 decks +51% synergy
Torbran, Thane of Red Fell
50% of 34 decks +46% synergy
Feldon, Ronom Excavator
47% of 34 decks +47% synergy
Ilharg, the Raze-Boar
47% of 34 decks +46% synergy
Rose, Cutthroat Raider
44% of 9 decks +43% synergy
Grenzo, Havoc Raiser
44% of 34 decks +43% synergy
Arni Metalbrow
41% of 34 decks +41% synergy
Anax, Hardened in the Forge
41% of 34 decks +40% synergy
Magda, Brazen Outlaw
41% of 34 decks +39% synergy
Ragavan, Nimble Pilferer
41% of 34 decks +34% synergy
Inti, Seneschal of the Sun
40% of 10 decks +38% synergy
Squee, Goblin Nabob
38% of 34 decks +37% synergy
Squee, Dubious Monarch
38% of 34 decks +37% synergy
Kazuul, Tyrant of the Cliffs
35% of 34 decks +33% synergy
Jaxis, the Troublemaker
35% of 34 decks +33% synergy
Combat Celebrant
35% of 34 decks +32% synergy
Professional Face-Breaker
35% of 34 decks +27% synergy
Orthion, Hero of Lavabrink
32% of 34 decks +30% synergy
Kiki-Jiki, Mirror Breaker
32% of 34 decks +29% synergy
Breeches, Eager Pillager
27% of 15 decks +25% synergy
Krenko, Mob Boss
26% of 34 decks +25% synergy
Drakuseth, Maw of Flames
26% of 34 decks +23% synergy
Neheb, Dreadhorde Champion
24% of 34 decks +22% synergy
Zealous Conscripts
24% of 34 decks +22% synergy
Imperial Recruiter
24% of 34 decks +17% synergy
Dockside Extortionist
24% of 34 decks +11% synergy
Hope of Ghirapur
21% of 34 decks +20% synergy
Purphoros, Bronze-Blooded
21% of 34 decks +20% synergy
Rograkh, Son of Rohgahh
21% of 34 decks +19% synergy
Holga, Relentless Rager
18% of 34 decks +18% synergy
Rosnakht, Heir of Rohgahh
18% of 34 decks +17% synergy
Dark-Dweller Oracle
15% of 34 decks +14% synergy
Urabrask, Heretic Praetor
15% of 34 decks +13% synergy
Neheb, the Eternal
15% of 34 decks +12% synergy
Dualcaster Mage
15% of 34 decks +10% synergy
Éomer of the Riddermark
13% of 30 decks +13% synergy
Amber Gristle O'Maul
12% of 34 decks +12% synergy
Zurgo Bellstriker
12% of 34 decks +12% synergy
Rionya, Fire Dancer
12% of 34 decks +11% synergy
Port Razer
12% of 34 decks +10% synergy
Solemn Simulacrum
12% of 34 decks -2% synergy
Márton Stromgald
9% of 34 decks +9% synergy
Alena, Kessig Trapper
9% of 34 decks +9% synergy
Genasi Enforcers
9% of 34 decks +9% synergy
Instants
Dark Ritual
75% of 4 decks +53% synergy
Great Train Heist
44% of 9 decks +40% synergy
Wild Magic Surge
44% of 34 decks +41% synergy
Thrill of Possibility
44% of 34 decks +34% synergy
Abrade
44% of 34 decks +33% synergy
Bolt Bend
41% of 34 decks +38% synergy
Demand Answers
33% of 9 decks +26% synergy
Fling
32% of 34 decks +30% synergy
Lightning Bolt
32% of 34 decks +22% synergy
Tibalt's Trickery
29% of 34 decks +24% synergy
Big Score
26% of 34 decks +17% synergy
Deflecting Swat
26% of 34 decks +10% synergy
Kazuul's Fury
24% of 34 decks +21% synergy
Seething Song
15% of 34 decks +9% synergy
Valakut Awakening
15% of 34 decks +8% synergy
Skred
12% of 34 decks +12% synergy
Battle Hymn
12% of 34 decks +10% synergy
Pyretic Ritual
12% of 34 decks +9% synergy
Desperate Ritual
9% of 34 decks +6% synergy
Red Elemental Blast
9% of 34 decks +2% synergy
Sorceries
Jeska's Will
59% of 34 decks +41% synergy
Faithless Looting
56% of 34 decks +39% synergy
Relentless Assault
50% of 34 decks +47% synergy
Vandalblast
50% of 34 decks +34% synergy
Tormenting Voice
29% of 34 decks +26% synergy
Mana Geyser
29% of 34 decks +23% synergy
Seize the Day
26% of 34 decks +24% synergy
Twinflame
21% of 34 decks +17% synergy
Ranger's Firebrand
19% of 16 decks +18% synergy
Reforge the Soul
18% of 34 decks +16% synergy
Cathartic Reunion
18% of 34 decks +14% synergy
Gamble
15% of 34 decks +5% synergy
Hate Mirage
12% of 34 decks +11% synergy
Chain Reaction
12% of 34 decks +7% synergy
Fury of the Horde
9% of 34 decks +8% synergy
World at War
9% of 34 decks +8% synergy
Heat Shimmer
9% of 34 decks +8% synergy
Reckless Impulse
9% of 34 decks +7% synergy
Wrenn's Resolve
9% of 34 decks +6% synergy
Wheel of Misfortune
9% of 34 decks +5% synergy
Utility Artifacts
Lightning Greaves
59% of 34 decks +33% synergy
Heroes' Podium
56% of 34 decks +55% synergy
Hazoret's Monument
47% of 34 decks +46% synergy
Phyrexian Altar
41% of 34 decks +37% synergy
Embercleave
32% of 34 decks +30% synergy
Altar of Dementia
32% of 34 decks +30% synergy
Blackblade Reforged
32% of 34 decks +28% synergy
Hexplate Wallbreaker
29% of 34 decks +28% synergy
Urabrask's Forge
24% of 34 decks +22% synergy
Skullclamp
24% of 34 decks +11% synergy
Tome of Legends
21% of 34 decks +20% synergy
Mimic Vat
21% of 34 decks +19% synergy
Ruby Medallion
18% of 34 decks +15% synergy
Commander's Plate
15% of 34 decks +12% synergy
The One Ring
15% of 34 decks +6% synergy
Sword of Hearth and Home
12% of 34 decks +9% synergy
Sword of the Animist
12% of 34 decks +7% synergy
Wayfarer's Bauble
12% of 34 decks +2% synergy
Andúril, Flame of the West
9% of 32 decks +9% synergy
Spawning Pit
9% of 34 decks +8% synergy
Blasting Station
9% of 34 decks +8% synergy
Dolmen Gate
9% of 34 decks +8% synergy
Endless Atlas
9% of 34 decks +8% synergy
Enchantments
Barrage of Expendables
35% of 34 decks +35% synergy
There and Back Again
35% of 34 decks +33% synergy
Gimli's Reckless Might
27% of 15 decks +26% synergy
Breath of Fury
26% of 34 decks +26% synergy
Aggravated Assault
26% of 34 decks +23% synergy
Fable of the Mirror-Breaker
21% of 34 decks +18% synergy
Blood Moon
21% of 34 decks +17% synergy
Berserkers' Onslaught
18% of 34 decks +16% synergy
Street Urchin
15% of 34 decks +14% synergy
Impact Tremors
15% of 34 decks +5% synergy
Splinter Twin
12% of 34 decks +11% synergy
Flameshadow Conjuring
12% of 34 decks +10% synergy
Brazen Cannonade
9% of 34 decks +8% synergy
Determined Iteration
9% of 34 decks +8% synergy
Mirror March
9% of 34 decks +8% synergy
Roar of Resistance
9% of 34 decks +8% synergy
Fervor
9% of 34 decks +7% synergy
Sticky Fingers
9% of 34 decks +6% synergy
Planeswalkers
Koth, Fire of Resistance
12% of 34 decks +10% synergy
Chandra, Torch of Defiance
9% of 34 decks +6% synergy
Utility Lands
Bojuka Bog
75% of 4 decks +45% synergy
Mines of Moria
56% of 34 decks +51% synergy
Shinka, the Bloodsoaked Keep
53% of 34 decks +51% synergy
Castle Embereth
47% of 34 decks +43% synergy
War Room
41% of 34 decks +35% synergy
Valakut, the Molten Pinnacle
35% of 34 decks +33% synergy
High Market
29% of 34 decks +26% synergy
Rogue's Passage
29% of 34 decks +10% synergy
Sokenzan, Crucible of Defiance
26% of 34 decks +22% synergy
Mikokoro, Center of the Sea
21% of 34 decks +19% synergy
Geier Reach Sanitarium
21% of 34 decks +17% synergy
Inventors' Fair
18% of 34 decks +14% synergy
Mountain Stronghold
12% of 34 decks +12% synergy
Maze of Ith
12% of 34 decks +9% synergy
Nykthos, Shrine to Nyx
12% of 34 decks +6% synergy
Reliquary Tower
12% of 34 decks -18% synergy
Ancient Tomb
9% of 34 decks -2% synergy
Mana Artifacts
Rakdos Signet
100% of 4 decks +70% synergy
Sol Ring
88% of 34 decks +4% synergy
Arcane Signet
74% of 34 decks +2% synergy
Relic of Legends
56% of 34 decks +54% synergy
Mind Stone
41% of 34 decks +24% synergy
Fire Diamond
26% of 34 decks +21% synergy
Cursed Mirror
24% of 34 decks +18% synergy
Fellwar Stone
24% of 34 decks +2% synergy
Honor-Worn Shaku
15% of 34 decks +14% synergy
Heraldic Banner
15% of 34 decks +13% synergy
Extraplanar Lens
12% of 34 decks +11% synergy
Gilded Lotus
12% of 34 decks +8% synergy
Thought Vessel
9% of 34 decks -8% synergy
Lands
Dragonskull Summit
100% of 4 decks +69% synergy
Smoldering Marsh
100% of 4 decks +68% synergy
Blightstep Pathway
75% of 4 decks +65% synergy
Rakdos Carnarium
75% of 4 decks +60% synergy
Foreboding Ruins
75% of 4 decks +59% synergy
Haunted Ridge
75% of 4 decks +59% synergy
Sulfurous Springs
75% of 4 decks +55% synergy
Myriad Landscape
53% of 34 decks +33% synergy
Plaza of Heroes
26% of 34 decks +23% synergy
Command Tower
15% of 34 decks -59% synergy
Terramorphic Expanse
12% of 34 decks -4% synergy
Evolving Wilds
12% of 34 decks -9% synergy
Exotic Orchard
12% of 34 decks -24% synergy